diff options
| -rw-r--r-- | include/trace/trace_events.h | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/include/trace/trace_events.h b/include/trace/trace_events.h index e6a8b3febc49..8268bf747d6f 100644 --- a/include/trace/trace_events.h +++ b/include/trace/trace_events.h @@ -231,9 +231,11 @@ TRACE_MAKE_SYSTEM_STR(); * { * struct trace_seq *s = &iter->seq; * struct trace_event_raw_<call> *field; <-- defined in stage 1 - * struct trace_entry *entry; * struct trace_seq *p = &iter->tmp_seq; - * int ret; + * + * -------(for event)------- + * + * struct trace_entry *entry; * * entry = iter->ent; * @@ -245,14 +247,23 @@ TRACE_MAKE_SYSTEM_STR(); * field = (typeof(field))entry; * * trace_seq_init(p); - * ret = trace_seq_printf(s, "%s: ", <call>); - * if (ret) - * ret = trace_seq_printf(s, <TP_printk> "\n"); - * if (!ret) - * return TRACE_TYPE_PARTIAL_LINE; + * return trace_output_call(iter, <call>, <TP_printk> "\n"); * - * return TRACE_TYPE_HANDLED; - * } + * ------(or, for event class)------ + * + * int ret; + * + * field = (typeof(field))iter->ent; + * + * ret = trace_raw_output_prep(iter, trace_event); + * if (ret != TRACE_TYPE_HANDLED) + * return ret; + * + * trace_event_printf(iter, <TP_printk> "\n"); + * + * return trace_handle_return(s); + * ------- + * } * * This is the method used to print the raw event to the trace * output format. Note, this is not needed if the data is read |